powerpc/pseries: Read common partition via pstore

[deliverable/linux.git] / arch / powerpc / platforms / pseries / nvram.c

diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index f7392f6ea7b3b0b5a92f5834608272ae28fb631c..14cc486709f6caea23497f0309eb70f1e90e0b6f 100644 (file)
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -138,10 +138,17 @@ static struct nvram_os_partition of_config_partition = {
        .os_partition = false
 };
 
+static struct nvram_os_partition common_partition = {
+       .name = "common",
+       .index = -1,
+       .os_partition = false
+};
+
 static enum pstore_type_id nvram_type_ids[] = {
        PSTORE_TYPE_DMESG,
        PSTORE_TYPE_PPC_RTAS,
        PSTORE_TYPE_PPC_OF,
+       PSTORE_TYPE_PPC_COMMON,
        -1
 };
 static int read_type;
@@ -530,7 +537,7 @@ static int nvram_pstore_write(enum pstore_type_id type,
 }
 
 /*
- * Reads the oops/panic report, rtas and of-config partition.
+ * Reads the oops/panic report, rtas, of-config and common partition.
  * Returns the length of the data we read from each partition.
  * Returns 0 if we've been called before.
  */
@@ -566,6 +573,14 @@ static ssize_t nvram_pstore_read(u64 *id, enum pstore_type_id *type,
                time->tv_sec = 0;
                time->tv_nsec = 0;
                break;
+       case PSTORE_TYPE_PPC_COMMON:
+               sig = NVRAM_SIG_SYS;
+               part = &common_partition;
+               *type = PSTORE_TYPE_PPC_COMMON;
+               *id = PSTORE_TYPE_PPC_COMMON;
+               time->tv_sec = 0;
+               time->tv_nsec = 0;
+               break;
        default:
                return 0;
        }